Gas cylinderSource Pathfinder #71: Rasputin Must Die! pg. 64StatisticsCost 300 gp Weight 50 lbs. Damage see description (medium); Critical —; Range —; Type —; Special see description Category Explosive; Proficiency ExoticDescriptionThis large metal canister
releases a cloud of toxic gas. It is usually placed on the
ground and triggered so that the wind blows the gas toward
enemy positions. Normally, multiple gas cylinders are
placed in line and triggered together to cover a wider area
of the battlefield. First, determine what direction the wind
is blowing by rolling 1d4 (1 is north, 2 is east, 3 is south,
and 4 is west). When triggered, a gas cylinder releases a
cloud of mustard gas (see the sidebar on page 67) in a 15-
foot cone. On the following 2 rounds, the cloud extends
by an additional 15-foot square away from the canister,
forming a 15-foot-wide, 45-foot-long cloud at the end of
3 rounds. The cloud moves with the wind, rolling along
the surface of the ground, and disperses after 10 rounds. A
strong wind (21+ mph) disperses the cloud in 4 rounds, and
a severe wind (31+ mph) disperses it in 1 round.Mustard Gas Used in warfare during the Great War, mustard gas (along with other gases such as chlorine and phosgene) were responsible for the grisly and painful deaths of nearly 90,000 people, and permanently scarred more than a million.
Mustard gas is normally deployed via gas cylinders or chemical grenades. A cloud of mustard gas obscures vision like fog cloud and looks like a bank of fog, except that its vapors are yellowish-brown.
Living creatures within a cloud of mustard gas take 3d6 points of acid damage when first exposed to the gas and must succeed at a DC 18 Fortitude save each round or become nauseated and blinded for as long as they are in the cloud and for 1d4+1 rounds after leaving the cloud. Creatures that succeed at their save but remain in the cloud must continue to save each round on their turn. This is a poison effect. Because mustard gas is heavier than air, its vapors sink to the lowest level of the land, pouring down into holes and trenches. A gas mask completely protects the wearer from the nausea and blindness effects of mustard gas, though holding one's breath does not.
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